Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/2463#discussion_r77523806 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/resourcemanager/slotmanager/SlotProtocolTest.java --- @@ -0,0 +1,228 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.flink.runtime.resourcemanager.slotmanager; + +import org.apache.flink.api.common.JobID; +import org.apache.flink.runtime.clusterframework.types.AllocationID; +import org.apache.flink.runtime.clusterframework.types.ResourceID; +import org.apache.flink.runtime.clusterframework.types.ResourceProfile; +import org.apache.flink.runtime.clusterframework.types.SlotID; +import org.apache.flink.runtime.highavailability.LeaderIdRegistry; +import org.apache.flink.runtime.highavailability.NonHaServices; +import org.apache.flink.runtime.jobmaster.JobMasterGateway; +import org.apache.flink.runtime.resourcemanager.JobMasterRegistration; +import org.apache.flink.runtime.resourcemanager.RegistrationResponse; +import org.apache.flink.runtime.resourcemanager.ResourceManager; +import org.apache.flink.runtime.resourcemanager.SlotRequest; +import org.apache.flink.runtime.resourcemanager.SlotRequestRegistered; +import org.apache.flink.runtime.rpc.TestingRpcService; +import org.apache.flink.runtime.taskexecutor.SlotReport; +import org.apache.flink.runtime.taskexecutor.SlotStatus; +import org.apache.flink.runtime.taskexecutor.TaskExecutor; +import org.apache.flink.runtime.taskexecutor.TaskExecutorGateway; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import org.mockito.Mockito; +import scala.concurrent.Await; +import scala.concurrent.Future; +import scala.concurrent.duration.Duration; + +import java.util.Collections; +import java.util.UUID; +import java.util.concurrent.TimeUnit; + +import static org.mockito.Matchers.any; +import static org.mockito.Matchers.anyLong; +import static org.mockito.Matchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.timeout; +import static org.mockito.Mockito.verify; + +public class SlotProtocolTest { + + private static TestingRpcService testRpcService; + + @BeforeClass + public static void beforeClass() { + testRpcService = new TestingRpcService(); + + } + + @AfterClass + public static void afterClass() { + testRpcService.stopService(); + testRpcService = null; + } + + @Before + public void beforeTest(){ + testRpcService.clearGateways(); + } + + /** + * Tests whether + * 1) SlotRequest is routed to the SlotManager + * 2) SlotRequest leads to a container allocation + * 3) SlotRequest is confirmed + * 4) Slot becomes available and TaskExecutor gets a SlotRequest + */ + @Test + public void testSlotsUnavailableRequest() throws Exception { + final String rmAddress = "/rm1"; + final String jmAddress = "/jm1"; + final JobID jobID = new JobID(); + + testRpcService.registerGateway(jmAddress, mock(JobMasterGateway.class)); + + + TestingSlotManager slotManager = Mockito.spy(new TestingSlotManager()); + ResourceManager resourceManager = + new ResourceManager(testRpcService, new NonHaServices(rmAddress), slotManager); + resourceManager.start(); + + Future<RegistrationResponse> registrationFuture = + resourceManager.registerJobMaster(new JobMasterRegistration(jmAddress, jobID)); + try { + Await.ready(registrationFuture, Duration.create(5, TimeUnit.SECONDS)); + } catch (Exception e) { + Assert.fail("JobManager registration Future didn't become ready."); + } + + final AllocationID allocationID = new AllocationID(); + final ResourceProfile resourceProfile = new ResourceProfile(1.0, 100); + + SlotRequest slotRequest = new SlotRequest(jobID, allocationID, resourceProfile); + Future<SlotRequestRegistered> slotRequestFuture = + resourceManager.getSelf().requestSlot(slotRequest); --- End diff -- Why don't you call directly `requestSlot` on the `ResourceManager`? Additionally, I think you could use the `TestingSerialRpcService` which would allow you to get rid of all the asynchronous operations and waitings.
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